r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
syz_genetlink_get_family_id$netlbl_cipso(0x0, 0xffffffffffffffff)
ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r0, 0x89f0, &(0x7f0000001dc0)={'syztnl1\x00', 0x0})